The synthesis of rGO/RuO2, rGO/PANI, RuO2/PANI and rGO/RuO2/PANI nanocomposites and their supercapacitors

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dc.authorscopusid9735216100
dc.authorscopusid57205653764
dc.contributor.authorAteş, Murat
dc.contributor.authorYıldırım, M.
dc.date.accessioned2022-05-11T14:03:24Z
dc.date.available2022-05-11T14:03:24Z
dc.date.issued2020
dc.departmentFakülteler, Fen Edebiyat Fakültesi, Kimya Bölümü
dc.description.abstractAbstract: In this work, reduced graphene oxide (rGO) was obtained by chemical reduction of graphene oxide (GO) using sodium borohydride (NaBH4). Four different nanocomposites rGO/ruthenium oxide (RuO2), rGO/polyaniline (PANI), RuO2/PANI and rGO/RuO2/PANI were chemically synthesized. In addition, PANI-based nanocomposites were synthesized by in situ polymerization technique. Nanocomposites were examined by different methods such as Fourier transform infrared spectroscopy–attenuated transmission reflectance, UV–Vis spectrophotometer, scanning electron microscopy–energy-dispersive X-ray analysis, thermal analysis (TGA–DTA) and transmission electron microscopy. TGA–DTA results show that the decomposition of rGO/RuO2/PANI nanocomposite (27.2% at 788.8 °C) was less than that of rGO (1% at 779.7 °C), which confirms the successful synthesis of nanocomposites. These nanocomposites can be used in supercapacitor applications. Supercapacitor device performances were taken by cyclic voltammetry (CV), galvanostatic constant current and electrochemical impedance spectroscopy (EIS) via two-electrode configuration. Ragone plots were drawn to observe energy and power densities of supercapacitor devices. Stability tests were taken by CV method for 1000 cycles. A ternary rGO/RuO2/PANI nanocomposite yields higher specific capacitance as Csp = 723.09 F g?1 than rGO/RuO2 (Csp = 347.28 F g?1), rGO/PANI (Csp = 159.62 F g?1), RuO2/PANI (Csp = 40.2 F g?1) and rGO (Csp = 37.5 F g?1) at 2 mV/s by CV method. A new electrical circuit model of LR(C(R(CR))) was used to analyze EIS data for rGO, rGO/PANI, rGO/RuO2, RuO2/PANI and rGO/RuO2/PANI nanocomposites. These nanocomposites demonstrate remarkable properties for use as electroactive materials for supercapacitor applications. Graphic abstract: [Figure not available: see fulltext.]. © 2019, Springer-Verlag GmbH Germany, part of Springer Nature.
dc.identifier.doi10.1007/s00289-019-02850-8
dc.identifier.endpage2307
dc.identifier.issn0170-0839
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-85068030178
dc.identifier.scopusqualityQ2
dc.identifier.startpage2285
dc.identifier.urihttps://doi.org/10.1007/s00289-019-02850-8
dc.identifier.urihttps://hdl.handle.net/20.500.11776/4691
dc.identifier.volume77
dc.identifier.wosWOS:000521568400006
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorAteş, Murat
dc.institutionauthorYıldırım, M.
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofPolymer Bulletin
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectNanocomposite
dc.subjectPolyaniline
dc.subjectPower density
dc.subjectRuthenium oxide
dc.subjectSupercapacitor
dc.subjectTernary composite
dc.subjectCyclic voltammetry
dc.subjectElectric network analysis
dc.subjectElectrochemical impedance spectroscopy
dc.subjectEnergy dispersive X ray analysis
dc.subjectFourier transform infrared spectroscopy
dc.subjectGraphene
dc.subjectHigh resolution transmission electron microscopy
dc.subjectNanocomposites
dc.subjectPolyaniline
dc.subjectScanning electron microscopy
dc.subjectSodium Borohydride
dc.subjectSupercapacitor
dc.subjectThermoanalysis
dc.subjectX ray diffraction analysis
dc.subjectAttenuated transmissions
dc.subjectElectrical circuit models
dc.subjectElectroactive material
dc.subjectPower densities
dc.subjectReduced graphene oxides (RGO)
dc.subjectRuthenium oxide
dc.subjectSupercapacitor application
dc.subjectTernary composites
dc.subjectRuthenium compounds
dc.titleThe synthesis of rGO/RuO2, rGO/PANI, RuO2/PANI and rGO/RuO2/PANI nanocomposites and their supercapacitors
dc.typeArticle

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